Combined key chain and whistle



FIG. 1 is a top plan view of a combined key chain and whistle showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a combined key chain and whistle, as shown. 